Gulp: Use correct case for file reference

Real operating systems aren't case insensitive

gulpfile.js

@@ -8,7 +8,7 @@ const jsonmin = require('gulp-jsonminify');
 
 const jsFiles = [
 "Js/Common.js",
-"JS/Shaders.js",
+"Js/Shaders.js",
 "Js/TextFunctions.js",
 "Js/UtageParse.js",
 "Js/Audio.js",
@@ -112,4 +112,4 @@ function buildJson() {
 	return gulp.src(jsonFiles)
         .pipe(jsonmin())
         .pipe(gulp.dest('Dist/Js'));
-}
+}